Senate Majority Leader Randy Richardville, center, prepares to give an update on Michigan Medicaid expansion legislation during a committee hearing on Wednesday, July 17, 2013 in Lansing, Mich. The Monroe Republican said his committee will meet again in two weeks to take testimony on a plan being developed by a workgroup of senators. The GOP-led House passed Medicaid expansion legislation in June. (AP Photo/David Eggert)

LANSING, Mich. (AP) — The leader of the Republican-dominated Michigan Senate said Wednesday he is tentatively planning to hold a much-anticipated vote on Medicaid expansion legislation in late August, assuming a group of senators studying the issue proposes a plan as early as next week.

Majority Leader Randy Richardville, R-Monroe, said the full Senate could vote Aug. 27 or 28 — or the following week — on whether to cover hundreds of thousands more low-income adults with government health insurance under the federal health care law.

Gov. Rick Snyder, angered when the Senate adjourned in June without voting on a House-passed Medicaid expansion plan that included GOP requirements that participants pay Login to read more